I could dismiss you could dismiss she could dismiss we could dismiss you could dismiss they could dismiss
V-ing form
I could be dismissing you could be dismissing she could be dismissing we could be dismissing you could be dismissing they could be dismissing
Perfect
I could have dismissed you could have dismissed she could have dismissed we could have dismissed you could have dismissed they could have dismissed
V-ing perfect
I could have been dismissing you could have been dismissing she could have been dismissing we could have been dismissing you could have been dismissing they could have been dismissing
Negation
Simple form
I couldn't dismiss you couldn't dismiss she couldn't dismiss we couldn't dismiss you couldn't dismiss they couldn't dismiss
V-ing form
I couldn't be dismissing you couldn't be dismissing she couldn't be dismissing we couldn't be dismissing you couldn't be dismissing they couldn't be dismissing
Perfect
I couldn't have dismissed you couldn't have dismissed she couldn't have dismissed we couldn't have dismissed you couldn't have dismissed they couldn't have dismissed
V-ing perfect
I couldn't have been dismissing you couldn't have been dismissing she couldn't have been dismissing we couldn't have been dismissing you couldn't have been dismissing they couldn't have been dismissing
Interrogative form
Simple form
could I dismiss? could you dismiss? could she dismiss? could we dismiss? could you dismiss? could they dismiss?
V-ing form
could I be dismissing? could you be dismissing? could she be dismissing? could we be dismissing? could you be dismissing? could they be dismissing?
Perfect
could I have dismissed? could you have dismissed? could she have dismissed? could we have dismissed? could you have dismissed? could they have dismissed?
V-ing perfect
could I have been dismissing? could you have been dismissing? could she have been dismissing? could we have been dismissing? could you have been dismissing? could they have been dismissing?
Interro-negative form
Simple form
couldn't I dismiss? couldn't you dismiss? couldn't she dismiss? couldn't we dismiss? couldn't you dismiss? couldn't they dismiss?
V-ing form
couldn't I be dismissing? couldn't you be dismissing? couldn't she be dismissing? couldn't we be dismissing? couldn't you be dismissing? couldn't they be dismissing?
Perfect
couldn't I have dismissed? couldn't you have dismissed? couldn't she have dismissed? couldn't we have dismissed? couldn't you have dismissed? couldn't they have dismissed?
V-ing perfect
couldn't I have been dismissing? couldn't you have been dismissing? couldn't she have been dismissing? couldn't we have been dismissing? couldn't you have been dismissing? couldn't they have been dismissing?